Cantwell johnson



(llo Model.)

G. JOHNSON & L. W. NUEBLING.

ROLLER SKATE.

No. 331,302. A Patented Deo. 1, 1885.

l f n @O l Y ,f t WITNESSES. L INVENTORS.

m /f f 2 J f 1 l PER N. PETERS, Phalo-umegnpher. Washington. D4 t;

NITED STATES FFIfClE@ PATENT ROLLER-SKATE.

SPECIFICATION forming part of Letters Patent No. 331,302, dated December 1, 1385.

Application filed August 25, 1885. Serial No. 175,266. (No model.)

To @ZZ whom it may concern:

Be it known that we, GANrwnLL JOHNsON and Louis W. N UEBLING, of the city of Indianapolis, county of Marion, and State of Indiana, have invented certain new and useful Improvements in Roller-Skates, of which the following is a specification.

Our said invention consists in an improved construction of the mechanism for mounting the rolls of roller-skates, whereby a cheap, durable, and easily operated skate is produced, as will be hereinafter more particulary described.

Referring to the accompanying drawings, which are made a part hereof, andon which similar letters of reference indicate similar parts, Figure l is a side elevation of askate embodying our invention, one of the wheels being removed to more plainly show the parts to which said invention more particularly relates; Fig. 2, a vier partly in underside plan and partly in section, as seen when looking upwardly from the dotted line 2 2 in Fig. l; Fig. 3, a longitudinal vertical section on the dotted line 3 3; and Fig. 4, atransverse vertical sectional view, looking toward the left from the dotted line 4E 4.

In said drawings, the portions marked A represent the foot-board; B, the hangers; G, the axle-supports; D, the springs; E, tensionbars; F, push-pins mounted between said tension-bars and the axle-supports, and G oilcups for automatically oiling the wearing parts. The foot-board A is or may be any foot-board suitable for use with aroller-skate. The hangers B are preferably of cast metal, and have suitable ears or flanges cast on their upper portions, in which are holes for the admission of screws or rivets to secure them to the foot-board, as is common. The central portion of each of said hangers is preferably of tubular form, a hole being formed therein in which the pin F operates, as will Abe presently described. The two edges are extended down a short distance below the end of said central portion, and have bearings on their lower ends for the attachment of the axlesupports. Said bearings consist, preferably, of a short hollow stud-shaft, b, forniedintcgrally with the outer edge, and a journal-bearing, b',

formed on the other edge, through which a short pivot, b2, is inserted. Said bearing is preferably extended out a short distance from said edge, in order to afford a firm support for said pivot, and has a notch cut into its end, into which the head of said pivotits, it being secured therein by slightly bending down the sides of said end behind said head, as will be readily understood. In its upper portion said hanger is provided with a hole or slot, b3, for the tension -bar E, which extends entirely through from edge to edge thereof', passing through the central portion directly across the longitudinal hole therein, thus bringing the edge of said bar in contact with the upper end of the push-pin, as shown most plainly in Fig. 3. rlhe axle-supports O are usually cast metal, and are secured to the hangers by being `journaled on the stud-shaft?) and pivots b2 on the lower end of said hangers, a transverse hole or bearing being formed therein to admit said stud-shaft and pivots. The bearing for the axle is extended out each way from the center, and usually iills the space between the rolls, as shown, the axle extending entirely through, as is common. rIhe bearings for the stud shaft b and pivot Z)2 extend out each way from the central portion, and are of a length to just iit between the downwardlyprojecting edges of the hanger, as shown. The bearing for the axle and the bearings by which the axle-support is pivoted to the hanger are thus formed on the same plane, the two communicating with each other in the center of the support. It is put in position by inserting the stud-shaft b in one end of the transverse hole, then forcing down the other end until itregisters withthe hole in the other side of the hanger, then inserting the pivot b2 and securing it therein, as before described. Both of these supportsbeing short, it will be readily seen that they will not in any way interfer with the axle, which passes through its bearing directly between them, while by having all the bearings in the same plane the sway of the foot-piece in turning is reduced to a minimun, which lessens the strain upon the Working parts, and also secures easier operation and less wear of the parts. The spring D is shown as a rubber spring, but of course IOO could be any suitable spring desired. It is secured just at the inner edge of the upper portion of the hanger, preferably on an extended part thereof, in any suitable manner, it being shown as mounted within a shallow cup or ring formed on said extended part. It is provided with a metallic cap, d, which may also be in the form of acup, and thus prevent the rubber from getting out of shape. The tension-bar E is a straight metallic bar extending through the slot or hole b3 in the top of the hanger, one end bearing against the outer edge of the top of said hanger and the other end extending out over the spring D, and provided with a set-screw, c, which is adapted to screw down and bear against the cap of said spring and thus regulate the tension. At the point where said bar crosses the hole in the central portion of said hanger it is provided with a notch, e', in its lower edge, in which the upper end of the push-pin F fits. The pushpin F is a short pin having a large ilat head', f, and is mounted in the hole in the central portion of the hanger, its upper end bearing against the lower edge of the bar E in the notch e, and its lower end or head resting upon and bearing against the' upper face of the axle-support, raised bearing portions c being formed on said upper face on each side of the center or pivotal line. The oil-cup G is a hollow spherical-shaped body, the inner end of which has a screw-threaded collar, g, formed thereon, and the outer end of which is turned inwardly at the center, leaving a central opening in the cup and covering the remaining portion of the end. It is screwed onto the outer end of the hollow shaft b, as shown, said end of said shaft being also threaded for this purpose. This cup being filled, portions of its contents escape from time to time into the hollow shaft, thence 'into the bearings in the axle-support, and thus automatically lubricate all the bearings, as will be readily understood.

The operation of our invention is as follows: The several parts being in position shown,and before described, and put in use, the spring D operates through the bar E to hold the pin F down tightly against the top of the axlesupport C, and thus affords the necessary mobility or elasticity'. In tilting the skate, as in turning, one of the raised bearing portions c bears up against the head of the pin F, and through the other parts brings the spring into operation, as will be readily understood, the tension of said mechanism being adjusted by the set-screw e in the end of the bar E.

Having thus fully described our said invention, what we claim as new, and desire to secure by Letters Patent, is*

1. ln a roller-skate, theconibination of the foot-board, the hanger secured thereon, axlesupportpivoted to the lower end of said hanger, a spring at the upper portion of said hanger, a bar bearing at one end upon said spring and at the-other against a stationary part-,and

a push-pin mounted between the lower edge of said bar and the top face of the axle-support, one end bearing against each, substantially as set forth.

2. The combination, in aroller-skate, of the foot-board, the hanger secured thereto, said hanger being provided with a hollow central portion, and a hole or slot through its upper portion across said hollow portion, the axlesupport pivotally secured to the lower ends of said hanger, a spring secured at one side of said hanger, a bar passing through said transverse hole or slot, one end of which bears against said spring` and the other against a stationary part, and a push-pin mounted in the central hollow portion of the hanger, oneend of which bears against the under edge of said box, and the other end of which bears upon the top face of the axle-support, substantially as set forth.

3. The combination, in a roller-skate, of the foot-board A, hangers B, secured thereto,each of said hangers being formed with a central tubular portion,and a transverse hole or slot, b3through its upper portion, the front and rear edge of the hanger being extended down below the end of said central portion and having a stud-shaft, b, and bearing b formed on their ends, the axle-support C, pivoted on said shaft b, and the pivot bZ in said bearing b', the top face of said axle-supporthaving a raised bearing portion, c, on each side of the pivotal line, the spring D, bar E, passing through the slot b3, one end bearing against a stationary part and the other being provided with the set-screw e, which bears upon and operates against the spring, and the push-pin F, having a flat head, f, said pin being mounted in the tubular portion of the hanger, the flat head resting upon the raised bearing portion c on the top of the axle-support, and its other end resting in a notch in the under side of said bar- E, substantially as set forth.

4. The combination oi' the hanger, axle-support pivoted thereto, said axle-support being provided with bearings for its pivots and the axle which communicate with each other, the

hollow shaft b, on which one end of said axlesupport is pivoted, and the oil-cup G,secured on the outer end of said hollow shaft, substantially as described,and for the purposes specilied.

5. The combination ofahollow shaft having one end of the axle-support pivoted thereon, one end of said shaft opening into the bearing in said axle-support, and an oil-cup secured on the outer end of said hollow shaft,the outer end of said cup being partly inclosed,whereby the oil is prevented from escaping, substan-v tially as set forth.

6. The combination of the foot-board, the hanger, the axle-support pivoted to said hanger, a springsecured at the upper portion of* the hanger, and a pin mounted between said spring and the top face of said axle-support, whereby said spring is adapted to operate to Steady said axle-support and give the required elasticity to the operation of the mechanism, substantially as set forth.

7. The combination of the foot-board, the hanger secured thereto, the axle-support pivoted to the lower end of said hanger, its upper faoe being formed with a raised bearing portion on each side ofthe pivotal line, a spring seouredat the upper portion of said hanger, and an intermediate pin having an. enlarged loearing-head mounted between said spring and said axle-support,saidhead resting upon said raised bearing portions, whereby as the skate is rocked the pin is operated to bear against the spring, substantially as set forth.

21st day of August, A. D. 1885.

GANTVELL JOHNSON. LOUIS V. NUEBLING.

In presence of- G. BRADFORD, CHARLEs L. THURBER. 

